Jinnai and Qinye were lovers in high school and went to the same university. During a summer trip, Qinye fell in love with his senior, Makoto, whom he had met as a child. So Jinuchi quit and silently guarded his former lover.
After the two had a short-term happiness, Zhenren, who was about to graduate, was forced to break up and get married. Qin Ye's inferiority caused him to misunderstand Zhenren's meaning, and he was addicted to alcohol and desire for a long time, unable to extricate himself.
Two years later, the two still couldn't forget each other and fell into painful longing. Masato longed to express his feelings but hesitated. Qin Ye was afraid to meet because he reunited with Jinnai. Finally, at the end of the summer, Masato asked Qin Ye out. Just when Masato was excited to express his true feelings, a car accident happened...
The original title of this book is This Summer Is a Sorrow